Patent No. EP2788544 (titled "Method For Preparing Waste Paper") was filed by Aerocycle on Dec 7, 2012. The application was issued on May 24, 2023.

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.
| Company | Opposition Date | Representative |
|---|---|---|
| RECUPERMA | Jul 20, 2017 | MEINKE |
| JAMES HARDIE EUROPE | Feb 27, 2017 | DR SOLF & ZAPF PATENT UND RECHTSANWALTS PARTG MBB |
The dossier documents provide a comprehensive record of the patent's prosecution history - including filings, correspondence, and decisions made by patent offices - and are crucial for understanding the patent's legal journey and any challenges it may have faced during examination.
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